The Confederates lost the war.
Being an American is pc how?
Yes they did but the victory by the north seems to be Pyrrhic nowadays. The South is now the land of liberty and freedom whereas the north, particularly the northeast is where slavery under the lash of union thugs is the norm.
The states of the Confederacy, except for Florida, also repudiated tyranny as shown by the 2012 election map.
And even a half-century ago, it was the "Solid South" leading the vanguard for the Conservative resurgence, standing bravely for Barry Goldwater against leftism:
So, from my perspective, the Confederate flag is a symbol of regional pride. More than that, it represents resistance to tyranny. It's noteworthy that commies also hate the flag of Virginia.